#include <iostream>

using namespace std;

void test()
{
    bool flag;
    cout << "bool   size is : " << sizeof(bool) << endl;
    cout << "char   size is : " << sizeof(char) << endl;
    cout << "int    size is : " << sizeof(int) << endl;
    cout << "int*   size is : " << sizeof(int *) << endl;
    cout << "int    size is : " << sizeof(int) << endl;
    cout << "float  size is : " << sizeof(float) << endl;
    cout << "double size is : " << sizeof(double) << endl;
}

int main()
{
    test();
    return 0;
}